Russia has warned it will respond to a U.S. naval ship’s entry into the Black Sea with unspecified measures A senior Russian diplomat said that another US aircraft carrier in the Mediterranean is clearly an attempt to show force ahead of an upcoming NATO summit. The US navy destroyer, USS Porter armed with assault cruise missiles and an Aegis Ballistic Missile Defense System entered the Black Sea this week due to what the Navy called a “Russian threat”. RT reports: “American warships do enter the Black Sea now and then. Certainly, this does not meet with [Russia’s] approval and will undoubtedly lead to planning response measures,” Andrey Kelin, the head of the Russian Foreign Ministry’s European Cooperation Department, told RIA Novosti on Friday. He also disapproved of the deployment of the USS Harry S. Truman in the Mediterranean ahead of the NATO summit in Warsaw in July as muscle-flexing. 2nd US aircraft carrier group deployed in Mediterranean for ‘national security interests’ https://t.co/MGQaAftyK5 — RT (@RT_com) June 9, 2016 “There is nothing special about the movement of US vessels in this case. We know that aircraft carriers are moving in the Mediterranean Sea and elsewhere, they have a right to do [...]